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Other Income And Deductions (Schedule Of Other Deductions) (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Component of Other Deductions [Line Items] |  |  |  |  |
NDT Fund Realized Losses and Expenses |  | $ 6 | $ 8 | $ 13 | $ 26
Other |  | 3 | 2 | 7 | 5
Total Other Deductions |  | 9 | 10 | 20 | 31
PSE And G [Member] |  |  |  |  |
Component of Other Deductions [Line Items] |  |  |  |  |
NDT Fund Realized Losses and Expenses |  | 0 | 0 | 0 | 0
Other |  | 1 | 1 | 2 | 2
Total Other Deductions |  | 1 | 1 | 2 | 2
Power [Member] |  |  |  |  |
Component of Other Deductions [Line Items] |  |  |  |  |
NDT Fund Realized Losses and Expenses |  | 6 | 8 | 13 | 26
Other |  | 1 | 1 | 1 | 1
Total Other Deductions |  | 7 | 9 | 14 | 27
Other Entities [Member] |  |  |  |  |
Component of Other Deductions [Line Items] |  |  |  |  |
NDT Fund Realized Losses and Expenses | [1] | 0 | 0 | 0 | 0
Other | [1] | 1 | 0 | 4 | 2
Total Other Deductions | [1] | $ 1 | $ 0 | $ 4 | $ 2
[1] | Other consists of activity at PSEG (as parent company), Energy Holdings, Services, PSEG LI and intercompany eliminations.

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